CTET 2 Math and Science 27 Dec 2021 Paper

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Question : 72 of 150

Marks: +1, -0

The sweet aroma produced during bread baking is because

Carbon monoxide is produced by yeast by the process of respiration.
Sugar is converted to alcohol by yeast by the process of fermentation.
Alcohol is produced by yeast, by the process of respiration.
Carbon monoxide is converted to sugar by yeast by the process of fermentation.

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